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|
#!perl
#
# tests for "extract" and "fetch*" methods
#
use strict;
use File::Spec::Functions;
use FindBin '$Bin';
use Readonly;
use Test::Exception;
use Test::More tests => 38;
use Text::RecordParser;
use Text::RecordParser::Tab;
use Text::RecordParser::Object;
Readonly my $TEST_DATA_DIR => catdir( $Bin, 'data' );
{
my $file = catfile( $TEST_DATA_DIR, 'simpsons.csv' );
my $p = Text::RecordParser->new( $file );
$p->bind_header;
# Extract nothing
my $undef = $p->extract;
is( $undef, undef, 'Fetched nothing' );
# Extract one thing
my $name = $p->extract('Name');
is( $name, '"Simpson, Homer"', 'Name is "Simpson, Homer"' );
# Extract several things
my ( $address, $city ) = $p->extract(qw[ Address City ]);
is( $address, '748 Evergreen Terrace',
'Address is "748 Evergreen Terrace"'
);
is( $city, 'Springfield', 'City is "Springfield"' );
}
{
my $file = catfile( $TEST_DATA_DIR, 'empty' );
my $p = Text::RecordParser->new( $file );
throws_ok { my $data = $p->extract( qw[ foo ] ) } qr/Can't find columns/,
'extract dies without bound fields';
$p->bind_fields( qw[ foo bar baz ] );
my $data = $p->extract( qw[ foo ] );
is( $data, undef, 'extract returns undef on read of empty file' );
}
{
my $file = catfile( $TEST_DATA_DIR, 'simpsons.csv' );
my $p = Text::RecordParser->new( $file );
$p->bind_header;
throws_ok { my $data = $p->extract('non-existent-field') }
qr/invalid field/i, 'extract dies on bad field request';
}
{
my $file = catfile( $TEST_DATA_DIR, 'bad-file' );
my $p = Text::RecordParser->new( $file );
lives_ok { my @row = $p->fetchrow_array }
'fetchrow_array does not die reading unescaped quote';
}
{
my $file = catfile( $TEST_DATA_DIR, 'simpsons.csv' );
my $p = Text::RecordParser->new( $file );
my $row = $p->fetchrow_hashref;
is( $row->{'City'}, 'Springfield',
'fetchrow_hashref works without binding fields' );
}
{
my $file = catfile( $TEST_DATA_DIR, 'simpsons.csv' );
my $p = Text::RecordParser->new( $file );
$p->bind_header;
my @row = $p->fetchrow_array;
is( $row[0], '"Simpson, Homer"', 'Field "Simpson, Homer"' );
is( $row[1], '747 Evergreen Terrace', 'Field "747 Evergreen Terrace"' );
is( $row[-1], q["Bart,Lisa,Maggie,Santa's Little Helper"],
'Correct dependents list'
);
my $row = $p->fetchrow_hashref;
is( $row->{'Name'}, '"Flanders, Ned"', 'Name is "Flanders, Ned"' );
is( $row->{'City'}, 'Springfield', 'City is "Springfield"' );
is( $row->{'State'}, '', 'State is empty' );
}
{
my $file = catfile( $TEST_DATA_DIR, 'simpsons.csv' );
my $p = Text::RecordParser->new( $file );
$p->set_field_alias({
Moniker => 'Name,Name',
City => [ qw( town township ) ],
});
my @aliases = $p->get_field_aliases('City');
is(join(',', @aliases), 'town,township', 'City => town,township');
my $row = $p->fetchrow_hashref;
is( $row->{'Moniker'}, '"Simpson, Homer"',
'Moniker alias for Name' );
is( $row->{'town'}, 'Springfield',
'town alias for city' );
is( $row->{'township'}, 'Springfield',
'township alias for city' );
}
{
my $file = catfile( $TEST_DATA_DIR, 'simpsons.csv' );
my $p = Text::RecordParser->new( $file );
$p->bind_header;
my $data = $p->fetchall_arrayref;
is( scalar @$data, 2, 'fetchall_arrayref gets 2 records' );
my $row = $data->[0];
is( $row->[0], '"Simpson, Homer"', 'Field "Simpson, Homer"' );
is( $row->[1], '747 Evergreen Terrace', 'Field "747 Evergreen Terrace"' );
}
{
my $file = catfile( $TEST_DATA_DIR, 'simpsons.csv');
my $p = Text::RecordParser->new( $file );
$p->bind_header;
my $data = $p->fetchall_arrayref( { Columns => {} } );
is( scalar @$data, 2, 'fetchall_hashref gets 2 records' );
my $row = $data->[1];
is( $row->{'Name'}, '"Flanders, Ned"', 'Name is "Flanders, Ned"' );
is( $row->{'City'}, 'Springfield', 'City is "Springfield"' );
is( $row->{'State'}, '', 'State is empty' );
}
{
my $file = catfile( $TEST_DATA_DIR, 'simpsons.csv' );
my $p = Text::RecordParser->new( $file );
$p->bind_header;
my $data = $p->fetchall_arrayref('Bad');
is( scalar @$data, 2, 'fetchall_arrayref ignores bad param' );
}
{
my $file = catfile( $TEST_DATA_DIR, 'simpsons.csv');
my $p = Text::RecordParser->new( $file );
$p->bind_header;
throws_ok { my $data = $p->fetchall_hashref('Bad Field') }
qr/Invalid key field/, 'fetchall_hashref dies on bad field';
}
{
my $file = catfile( $TEST_DATA_DIR, 'simpsons.csv' );
my $p = Text::RecordParser->new( $file );
$p->bind_header;
my $data = $p->fetchall_hashref('Name');
is( scalar keys %$data, 2, 'fetchall_hashref gets 2 records' );
my $row = $data->{'"Simpson, Homer"'};
is( $row->{'Wife'}, 'Marge', 'Wife is "Marge"' );
}
{
my $file = catfile( $TEST_DATA_DIR, 'simpsons.csv' );
my $p = Text::RecordParser->new( $file );
$p->bind_header;
$p->field_compute(
'crazy_name',
sub {
my ( $field, $others ) = @_;
my $name = $others->{'Name'};
$name =~ s/"//g;
$name =~ s/^.*,\s+//g;
return "Crazy $name!";
}
);
my $data = $p->fetchall_hashref('crazy_name');
is( scalar keys %$data, 2, 'fetchall_hashref gets 2 records' );
my $row = $data->{'Crazy Homer!'};
is( $row->{'Wife'}, 'Marge', 'Wife is "Marge"' );
}
{
my $file = catfile( $TEST_DATA_DIR, 'simpsons.ssv' );
my $p = Text::RecordParser->new(
trim => 1,
field_separator => qr/\s+/,
filename => $file,
);
$p->bind_header;
my $row = $p->fetchrow_hashref;
is( $row->{'Address'}, '747 Evergreen Terrace',
'Address is "747 Evergreen Terrace"' );
}
{
my $file = catfile( $TEST_DATA_DIR, 'simpsons.pdd' );
my $p = Text::RecordParser->new(
trim => 1,
field_separator => '|',
filename => $file,
);
$p->bind_header;
my $row = $p->fetchrow_hashref;
is( $row->{'Address'}, '747 Evergreen Terrace',
'Address is "747 Evergreen Terrace"' );
}
{
my $file = catfile( $TEST_DATA_DIR, 'simpsons.tab' );
my $p = Text::RecordParser::Tab->new( $file );
my $row = $p->fetchrow_hashref;
is( $row->{'Pets'}, q[Snowball(s),Santa's Little Helper],
'Pets OK (apostrophe backslashed-unescaped)' );
}
{
my $p = Text::RecordParser->new( { fh => \*DATA } );
my $o1 = $p->fetchrow_object;
is( $o1->name, 'moose', 'moose OK' );
my $o2 = $p->fetchrow_object;
is( $o2->name, 'poodle', 'poodle OK' );
my $o3 = $p->fetchrow_object;
is( $o3, undef, 'No problem reading off the end' );
}
__DATA__
name,id
moose,1
poodle,2
|
